提高学生的运算能力是提高数学教学效果的根本保证。所谓运算能力,主要是指学生在有目的的数学运算活动中,能够合理、灵活、正确地完成数学运算的个性心理特征,它不是简单的加、减、乘、除及乘方、开方的计算,而是与观察能力、记忆能力、理解能力、分析能力、推理能力以及想像能力等有关的由低级到高级的综合能力。决定学生运算能力高低的因素主要有如下两个方面:一是学生掌握数学基础知识的程度,即理解和掌握各种运算所需的概念、性质、公式、定理、法则和口诀的熟练程度。二是学生运用运算性质和公式来进行推理的能力。 Improving students’ computing ability is the fundamental guarantee to improve the teaching effect of mathematics. The so-called computing power, mainly refers to students in the purpose of mathematics computing activities, to be able to reasonably, flexibly and correctly complete the mathematical characteristics of the psychological operation, it is not a simple addition, subtraction, multiplication, division and power, Calculation, but from low to high comprehensive ability related to observation ability, memory ability, understanding ability, analysis ability, reasoning ability and imagination ability. There are two main factors that determine the level of students’ computing abilities. The first is the degree to which students master the basic knowledge of mathematics, that is, their proficiency in understanding and mastering the concepts, properties, formulas, theorems, laws and formulas required for various operations. Second, students use the nature of the operation and the ability to formulate reasoning.